CN216455198U

CN216455198U - Forceps for cardiac surgery

Info

Publication number: CN216455198U
Application number: CN202120190622.0U
Authority: CN
Inventors: 亓峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2022-05-10
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses forceps for cardiac surgery, which comprise a first clamping handle, a second clamping handle, a connecting handle and a connecting assembly, wherein the connecting handle is of a U-shaped structure, the opening end of the connecting handle is bent downwards to form an arc-shaped structure, the first clamping handle and the second clamping handle are connected with the two ends of the connecting handle through the connecting assembly, the connecting assembly comprises a connecting block, spring, spacing post and flexure strip, connecting block one end is connected with connecting handle one end, both sides respectively with two flexure strip fixed connection about the connecting block other end, the spring is located between two flexure strips, spacing post is located on the flexure strip deviates from the spring lateral wall, all be equipped with upper end open-ended slot on first centre gripping handle and the second centre gripping handle, all be equipped with spacing hole on first centre gripping handle and the second centre gripping handle, the connecting block is pegged graft in the slot, spacing post joint is in spacing downthehole, the lower extreme shaping of first centre gripping handle and second centre gripping handle has the tweezers head. The length of the forceps can be changed conveniently through the technical scheme, so that the forceps can be used conveniently in the operation process.

Description

Forceps for cardiac surgery

Technical Field

The utility model belongs to the technical field of cardiac surgery, and particularly relates to tweezers for cardiac surgery.

Background

Cardiac surgery is a younger subject in the branch of surgery, primarily for the treatment of heart disease by surgery, such as heart bypass surgery, congenital heart disease surgery, valve replacement, etc. Wherein forceps are often used to assist the surgeon in performing the grasping procedure during cardiac surgery. The tweezers adopted in the prior cardiac surgery are fixed in length, cannot be adjusted in length according to the use condition, and are not convenient for medical staff to use during the surgery.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a forceps for cardiac surgery, which can effectively solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a tweezers for cardiac surgery comprises a first clamping handle, a second clamping handle, a connecting handle and a connecting assembly, wherein the connecting handle is of a U-shaped structure, the opening end of the connecting handle is bent downwards to form an arc-shaped structure, the first clamping handle and the second clamping handle are of the same structure, the upper end of the first clamping handle and the upper end of the second clamping handle are connected with the two ends of the connecting handle through the connecting assembly, the connecting assembly comprises a connecting block, a spring, a limiting column and an elastic sheet, one end of the connecting block is connected with one end of the connecting handle, the upper side and the lower side of the other end of the connecting block are respectively fixedly connected with the two elastic sheets, the spring is arranged between the two elastic sheets, the limiting column is arranged on one side wall of the elastic sheet, which is far away from the spring, the first clamping handle and the second clamping handle are respectively provided with an upper end opening slot, the first clamping handle and the second clamping handle are respectively provided with a plurality of limiting holes communicated with the slots, the connecting block is inserted in the slot, the limiting column is clamped in the limiting hole, and the forceps heads are formed at the lower ends of the first clamping handle and the second clamping handle.

Furthermore, the limiting hole is formed in the upper end wall of the first clamping handle, and the limiting column is arranged on the elastic sheet close to the limiting hole.

Further, it still includes elastic component, elastic component locates between the handle lower extreme inner wall, elastic component includes first connector link, second connector link, first spring and second spring, be equipped with first ring channel and second ring channel in first connector link and the second connector link respectively, the one end of first connector link and the one end of second connector link are fixed on handle both ends inner wall in opposite directions respectively, the other end of first connector link and second connector link passes through the latch closure mode and is connected, first spring locate in the first ring channel and with the inner wall of first ring channel and the other end fixed connection of second connector link, the second spring locate in the second ring channel and with the inner wall of second ring channel and the other end fixed connection of first connector link.

Furthermore, first connector link and second connector link are the type structure that returns that has certain radian, and this radian is the same with the motion radian when connecting handle both ends wall is close to each other.

Furthermore, the outer side walls of the first clamping handle and the second clamping handle are symmetrically provided with anti-skid grains.

Furthermore, the inner wall of the forceps head is provided with insections.

Compared with the prior art, the utility model has the beneficial effects that: the connecting handle passes through coupling assembling with first centre gripping handle and second centre gripping handle and is connected, when the length of needs change tweezers, can press spacing post, the spring of spacing post inside extrusion flexure strip, upwards stimulate the connecting handle or promote the connecting handle downwards simultaneously, spacing post makes progress or moves down under the effect of connecting handle, when moving to the spacing hole of adjacent department, spacing post moves the joint in spacing downthehole under the combined action of spring and flexure strip, thereby change the length of tweezers.

Drawings

FIG. 1 is a schematic view of a forceps for cardiac surgery according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view showing the internal structure of a forceps for cardiac surgery according to the present invention;

FIG. 4 is another angle structure diagram of FIG. 1;

FIG. 5 is a partial enlarged view of B in FIG. 4;

FIG. 6 is a view showing the use of the forceps for cardiac surgery according to the present invention;

FIG. 7 is a schematic view showing an internal structure of the usage state of FIG. 3;

FIG. 8 is a schematic view of a portion of the structure of the present invention;

FIG. 9 is a schematic view of the structure of the elastic member;

description of reference numerals:

the forceps comprise a first clamping handle 1, a second clamping handle 2, a connecting handle 3, a connecting block 4, a spring 5, a limiting column 6, an elastic sheet 7, a limiting hole 8, a forceps head 9, a first connecting buckle 10, a second connecting buckle 11, a first spring 12, a second spring 13, a first annular groove 14, a second annular groove 15, anti-skidding threads 16 and tooth threads 17.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1-9, a pair of tweezers for cardiac surgery comprises a first clamping handle 1, a second clamping handle 2, a connecting handle 3 and a connecting assembly, wherein the connecting handle 3 is of a U-shaped structure, the open end of the connecting handle 3 is bent downwards to form an arc-shaped structure, the first clamping handle 1 and the second clamping handle 2 have the same structure, the upper end of the first clamping handle 1 and the upper end of the second clamping handle 2 are connected with the two ends of the connecting handle 3 through the connecting assembly, the connecting assembly comprises a connecting block 4, a spring 5, a limiting column 6 and elastic sheets 7, one end of the connecting block 4 is connected with one end of the connecting handle 3, the upper side and the lower side of the other end of the connecting block 4 are respectively fixedly connected with the two elastic sheets 7, the spring 5 is arranged between the two elastic sheets 7, the limiting column 6 is arranged on one side wall of the elastic sheet 7 departing from the spring 5, the forceps comprise a first clamping handle 1, a second clamping handle 2 and a connecting block 4, wherein the first clamping handle 1 and the second clamping handle 2 are respectively provided with a slot with an opening at the upper end, the first clamping handle 1 and the second clamping handle 2 are respectively provided with a plurality of limiting holes 8 communicated with the slots, the connecting block 4 is inserted into the slots, the limiting columns 6 are connected into the limiting holes 8 in a clamped mode, and forceps heads 9 are formed at the lower ends of the first clamping handle 1 and the second clamping handle 2.

In above-mentioned technical scheme, the connecting handle passes through coupling assembling with first centre gripping handle and second centre gripping handle and is connected, when the length of needs change tweezers, can press spacing post, the spring of spacing post inside extrusion flexure strip, upwards stimulate the connecting handle or promote the connecting handle downwards simultaneously, spacing post is upwards or move downwards under the effect of connecting handle, when removing to the spacing hole of adjacent department, spacing post moves the joint in spacing downthehole under the combined action of spring and flexure strip, thereby change the length of tweezers.

In the above embodiment, the limiting hole 8 is provided on the upper end wall of the first clamping handle 1, and the limiting post 6 is provided on the elastic piece 7 near the limiting hole 8.

When the tweezers are used, the tweezers can deform due to excessive force and cannot reset, and in order to solve the problem, the tweezers are provided with the elastic component, the elastic component is arranged between the inner walls of the lower ends of the connecting handles 3 and comprises a first connecting buckle 10, a second connecting buckle 11, a first spring 12 and a second spring 13, a first annular groove 14 and a second annular groove 15 are respectively arranged in the first connecting buckle 10 and the second connecting buckle 11, one end of the first connecting buckle 10 and one end of the second connecting buckle 11 are respectively fixed on the inner walls of the two ends of the connecting handle 3 in opposite directions, the other ends of the first connecting buckle 10 and the second connecting buckle 11 are connected in a buckle manner, the first spring 12 is arranged in the first annular groove 14 and is fixedly connected with the inner wall of the first annular groove 14 and the other end of the second connecting buckle 11, the second spring 13 is arranged in the second annular groove 15 and is fixedly connected with the inner wall of the second annular groove 15 and the other end of the first connecting buckle 10.

In above-mentioned technical scheme, through pressing first centre gripping handle and second centre gripping handle, first connector link and the inside side movement of second connector link, and first connector link extrusion second spring, first spring is extruded to the second connector link, and after loosening first centre gripping handle and second centre gripping handle, first connector link is under the effect of second spring, and the second connector link moves to the outside under the effect of first spring, and first centre gripping handle and second centre gripping handle reset. Through the setting of elastic component, can prevent to make tweezers take place deformation unable reseing because of exerting oneself too much at the operation in-process to improve tweezers's life.

In the above embodiment, the first connecting link 10 and the second connecting link 11 have a shape of a square-wave with a certain arc, and the arc is the same as the arc of the movement of the two end walls of the connecting handle 3 when they are close to each other.

In the above embodiment, the outer side walls of the first clamping handle 1 and the second clamping handle 2 are symmetrically provided with the anti-slip threads 16.

In the technical scheme, insections 17 are arranged on the inner wall of the forceps head 9.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. Forceps for use in cardiac surgery, characterized by: the clamping device comprises a first clamping handle (1), a second clamping handle (2), a connecting handle (3) and a connecting assembly, wherein the connecting handle (3) is of a U-shaped structure, the open end of the connecting handle (3) is bent downwards to form an arc-shaped structure, the structures of the first clamping handle (1) and the second clamping handle (2) are the same, the upper end of the first clamping handle (1) and the upper end of the second clamping handle (2) are connected with the two ends of the connecting handle (3) through the connecting assembly, the connecting assembly comprises a connecting block (4), a spring (5), a limiting column (6) and an elastic sheet (7), one end of the connecting block (4) is connected with one end of the connecting handle (3), the upper side and the lower side of the other end of the connecting block (4) are fixedly connected with the two elastic sheets (7) respectively, the spring (5) is arranged between the two elastic sheets (7), the limiting column (6) is arranged on one side wall of the elastic sheet (7) deviating from the spring (5), the multifunctional forceps are characterized in that slots with open upper ends are formed in the first clamping handle (1) and the second clamping handle (2), a plurality of limiting holes (8) communicated with the slots are formed in the first clamping handle (1) and the second clamping handle (2), the connecting block (4) is inserted into the slots, the limiting columns (6) are clamped in the limiting holes (8), and forceps heads (9) are formed at the lower ends of the first clamping handle (1) and the second clamping handle (2).

2. Forceps for cardiac surgery according to claim 1, characterised in that: the limiting hole (8) is formed in the upper end wall of the first clamping handle (1), and the limiting column (6) is arranged on the elastic sheet (7) close to the limiting hole (8).

3. Forceps for cardiac surgery according to claim 1 or 2, characterized in that: it still includes elastic component, elastic component locates between handle (3) lower extreme inner wall, elastic component includes first connector link (10), second connector link (11), first spring (12) and second spring (13), be equipped with first ring channel (14) and second ring channel (15) in first connector link (10) and second connector link (11) respectively, the one end of first connector link (10) and the one end of second connector link (11) are fixed on handle (3) both ends inner wall in opposite directions respectively, the other end of first connector link (10) and second connector link (11) passes through the latch closure mode and is connected, first spring (12) are located in first ring channel (14) and with the inner wall of first ring channel (14) and the other end fixed connection of second connector link (11), second spring (13) are located in second ring channel (15) and with the inner wall of second ring channel (15) and the other end fixed connection of first connector link (10) And (4) connecting.

4. Forceps for cardiac surgery according to claim 3, characterised in that: the first connecting buckle (10) and the second connecting buckle (11) are of a clip-shaped structure with a certain radian, and the radian is the same as the movement radian when the two end walls of the connecting handle (3) are close to each other.

5. Forceps for cardiac surgery according to claim 1, characterised in that: the outer side walls of the first clamping handle (1) and the second clamping handle (2) are symmetrically provided with anti-skid grains (16).

6. Forceps for cardiac surgery according to claim 1, characterised in that: the inner wall of the forceps head (9) is provided with insections (17).